"A 22-volume, highly illustrated, A-Z general encyclopedia for all ages, featuring sections on how to use World Book, other research aids, pronunciation key, a student guide to better writing, speaking, and research skills, and comprehensive index. The World Book editorial staff presents information from the vast reservoir of knowledge in the most accessible and usable form. Editors design World Book articles especially to meet the reference and study...

"A 13-volume, illustrated, A-Z general reference encyclopedia for students in the primary grades, providing guide words, pronunciations, and other traditional reference features as well as an atlas of world maps, special features, and a cumulative index"--Provided by publisher.

"A 13-volume,illustrated, A-Z general reference encyclopedia for students with high interest, low reading levels, providing traditional features of adult reference works, plus activities, atlas of world maps, special articles, and cumulative index"--Provided by publisher.

91-154 Illustrated articles, stories, and poems, grouped thematically in fifteen volumes under titles including "World and Space, "About Animals," "How Things Work," and "Make and Do."

"A 22-volume, highly illustrated, A-Z general encyclopedia for all ages, featuring sections on how to use World Book, other research aids, pronunciation key, a student guide to better writing, speaking, and research skills, and comprehensive index"--Provided by publisher.

"A 22-volume, highly illustrated, A-Z general encyclopedia for all ages, featuring sections on how to use World Book, other research aids, pronunciation key, a student guide to better writing, speaking, and research skills, and comprehensive index"--Provided by publisher.

This index contains over 15,000 entries, a gazetteer of the countries of the world, and a timeline of world history.

A twenty-one volume encyclopedia with 32,000 entries and more than 16, 000 illustrations.